From c0c320617f580e1bfa5aebca72ec5aeed3276fcf Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Sat, 16 Jan 2016 15:10:05 -0500
Subject: profile_detect(): New function

---
diff --git a/locale/en_US.sh b/locale/en_US.sh
index 056e72b..1cd4695 100644
--- a/locale/en_US.sh
+++ b/locale/en_US.sh
@@ -115,6 +115,7 @@ msg_prokit_cmd_mkinitramfs_kernel_not_found='No Linux image found'
 
 # src/profile.sh
 msg_prokit_profile_not_found='Profile "%s" not found'
+msg_prokit_profile_not_detected='No installed system found at "%s"'
 
 # src/package.sh
 msg_prokit_package_format_unknown='Unable to detect package format'
diff --git a/src/profile.sh b/src/profile.sh
index 9bbd9ce..44e3022 100644
--- a/src/profile.sh
+++ b/src/profile.sh
@@ -50,6 +50,20 @@ profile_set()
 	return 0
 }
 
+profile_detect()
+{
+	local root="${1}"
+
+	for prof in ${profiles}; do
+		if "prof_${prof}_detect_root" "${root}"; then
+			profile="${prof}"
+			return 0
+		fi
+	done
+
+	error 1 "$(get_msg 'profile_not_detected')" "${root}"
+}
+
 profile_normalize_suite()
 {
 	local suite="${1}"
diff --git a/src/profile/proteanos.sh b/src/profile/proteanos.sh
index 46c0e69..ef578f0 100644
--- a/src/profile/proteanos.sh
+++ b/src/profile/proteanos.sh
@@ -37,6 +37,18 @@ start()
 }
 '
 
+prof_proteanos_detect_root()
+{
+	local root="${1}"
+
+	if grep "^ID='proteanos'\$" "${root}/etc/os-release" >/dev/null 2>&1
+	then
+		return 0
+	else
+		return 1
+	fi
+}
+
 prof_proteanos_normalize_suite()
 {
 	local suite="${1}"
--
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